When a participant successfully trades with a villager or when a villager's stock is updated [requires testing] When the farmer works at their composter, it composts extra wheat and beetroot seeds, and extracts bone meal whether it is full. Up to 20 seeds are composted in one work session, https://financefeeds.com/drivewealth-secures-brokerage-license-in-lithuania-plans-to-support-european-securities/